diff --git a/composer.json b/composer.json
index 80fa299..d0a3839 100644
--- a/composer.json
+++ b/composer.json
@@ -12,8 +12,8 @@
     "php": ">=5.6",
     "doctrine/common": "~2.0",
     "doctrine/annotations": "~1.0",
-    "jms/serializer": "~1.0",
-    "symfony/options-resolver": "^3.1",
+    "jms/serializer": "^1.0",
+    "symfony/options-resolver": "^4.0",
     "psr/http-message": "^1.0"
   },
   "require-dev": {